.share-wrap{
  height: 100vh;
  background: url(http://www.51yuanliang.com/images/miniapp/share1.jpg) center top no-repeat;
  background-size: 100% 100%;
  box-sizing: border-box;
  padding: 750px 30px 0;
  &.beidong{
    background: url(http://www.51yuanliang.com/images/miniapp/share2.jpg) center top no-repeat;
    background-size: 100% 100%;
  }
}
.share-btn{
  width: 240px;
  height: 240px;
  line-height: 240px;
  border-radius: 50%;
  background: url(http://www.51yuanliang.com/images/miniapp/share-btn.png) center no-repeat;
  background-size: 80%;
  box-shadow: 0 0 20px #980200;
  //opacity: .9;
  font-size: 40px;
}
